Longtime RatDog guitarist Mark Karan will perform with Assembly of Dust when the band makes its way to the West Coast later this month. Karan will join Reid Genauer and co. when the group takes the stage at Sweetwater Music Hall in Mill Valley, CA on December 11, Mississippi Studios in Portland, OR on December 12 and Tractor Tavern in Seattle on December 13.

Tickets for the show are available via the venues’ websites. The Doobie Decibel System will open for AoD on December 11 and 12.